CHCO – Natural Gas & Carbon Monoxide Detector

Gas Detection

The CHCO is a dual sensor, gas and carbon monoxide detector.

Product Details

  • Microprocessor control
  • Detects Carbon Monoxide and Natural Gas
  • 230V supply
  • Gas alarm relay SPDT
  • CO alarm relay SPDT
  • Catalytic sensor for gas
  • Electrochemical sensor for CO
  • Sensor active indicator
  • EN50194 for Gas and EN50291 for CO
  • 2 Year Warranty (Extendable to 3 years by registering this product online)

Product Description

When methane and/or carbon monoxide are sensed the detector sounds an on board audible alarm and changes over a volt free contact relating to the type of gas sensed. These volt free relays can be used to isolate the electrical supply to gas solenoid valves or give a remote indication of an alarm. The alarm threshold for methane is 10% LEL and for carbon monoxide is 300ppm. The CHCO also has a separate carbon monoxide relay alarm facility which gives a relay output at 30-50-100ppm of carbon monoxide based on time weighted average function.

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We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.

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